28921.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ea:b6:e9:18:70:3a:6c:ff:e0:33:5f:43:06:15:00:87:f4 was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=28921.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ea:b6:e9:18:70:3a:6c:ff:e0:33:5f:43:06:15:00:87:f4Serial Number (int): 341206061450850700286142375071777929857012
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 2d:91:e7:24:5a:e2:40:1f:76:15:36:90:d9:0e:75:06:2d:e3:f5:a5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 14:f7:54:75:7d:35:a4:fe:f2:95:4c:4e:e1:c6:d4:dd:e3:75:44:fd
Fingerprint (sha256): 3c:55:63:b1:04:6a:2c:30:85:d3:dc:e9:68:99:f9:9f:f5:f8:a7:fb:4f:dd:f3:c1:48:c1:8c:5d:01:1d:96:f9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 28921.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 28921.com
Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
28921.com
Other certificates including the domain name 28921.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for 28921.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSDCCBTCgAwIBAgISA+q26RhwOmz/4DNfQwYVAIf0MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMTYyMTA5MjlaFw0y MDA0MTUyMTA5MjlaMBQxEjAQBgNVBAMTCTI4OTIxLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAJ1pJXQB0C2q+cap4dela7sI2Rj57jxiL/buKS1N XPOM/n2bm48hdwc2Rx+lu9GFPUSo5FkPfRdcMRN2ji5Q92PZnpPeueIsNrXMywVn fMQRUUvZP4vT6zND6+5lzK2qs5UVKxt7X5cIOZMUEIRUDwTqpvNPDYj3rUetKlEL V8zVv2c90fccbndeNFJexaWxUC+38/+1bJUEPYNQycYkwF4qmcsa3qbdjRdwBtoN PVOLdZINQp82LYVnvc4F2nZm8jWfeCLGGHY0+TfTaDN65oSg0wAqypfHdzl7OGUB xKne/pRwXd9ihBmOmOlzgK5QiIRcsuYq4T5FlMxSddhseU3TgaL2StdPgjMoGD+2 ZGnIEe89oJjBonpuB4zatBi9zxU9gTf/otDo2WMuo2Tb9A8V0D1j0bLcYK6AfYGe Hc9FXvyVg6eSGnZJpmnLPToBRh+eWmgH4aId0zTBbOrB3rWfvUeJyRM353WGLlAQ ztpfktVpHk73/g4zQg7zMv2QWHdPU5anyyE4sXDmT0n7evd6QH7UU/pnKJoekazR f/VzwCA8ttKghD/2o8Z0pFOGPUGhaqzEodLIsmBHwp+ks6je8yO7MP49/4Y+Ggk0 YvrfnswWiymxmpsF/oMWIWR4QPhGGkgeghrKBw4rT44EHY/Tyjg0BLV4b2n1HDEh Ol19AgMBAAGjggJcMIICWDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFC2R5yRa4kAf dhU2kNkOdQYt4/WlMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJMjg5MjEuY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFvsGd6WwAABAMARjBEAiAF FDyQvnwiztyI3SuG6XNC4ofZ2vFYydXfEC00KblcXgIgEBzICmVq7KoEKVCz8KTO KHZD5/K2I72u6yNT3LHM7SkAdQAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToa adOiHAAAAW+wZ3qjAAAEAwBGMEQCIEbjgw47jXfKbHZw8hlSQa9DAL7yxmXs35Ax 5E5YBGkpAiAF/w5MvGt1iGSQ0nidRTAaH0Hbcfk+ANAjnXFR7n7mJjANBgkqhkiG 9w0BAQsFAAOCAQEAXmQC1VicukG5OCaXN6FGeoy25zi8uvbOWq+NanSdyrm6p+hv c+UuSGDeDLdfrVnjnhkIdC7+orXOeMKS8TV8mr1yz45So7NrwNclqI6v428ShiKc uagyo4+JEgWpdmCaZATCevuotceDrDilpN0hQy9tcSdUXAPwja9v3igxeOmLLpEJ WKTpOlxsZZC90u+WE6WGr0qDuSjjQvHyoDJT0uRo9oxjm33pDJO9heoqv5lDC+RE tiuopACw516WJJnCqyusPOlw2vK7Y6YJchRG9OYmxB2iI101oBUSWw9etX7LP3Ni x5dXQEOlCO+Expm4+rmdhh/I6bnLC30ZAA6Bzw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnWkldAHQLar5xqnh16Vr uwjZGPnuPGIv9u4pLU1c84z+fZubjyF3BzZHH6W70YU9RKjkWQ99F1wxE3aOLlD3 Y9mek9654iw2tczLBWd8xBFRS9k/i9PrM0Pr7mXMraqzlRUrG3tflwg5kxQQhFQP BOqm808NiPetR60qUQtXzNW/Zz3R9xxud140Ul7FpbFQL7fz/7VslQQ9g1DJxiTA XiqZyxrept2NF3AG2g09U4t1kg1CnzYthWe9zgXadmbyNZ94IsYYdjT5N9NoM3rm hKDTACrKl8d3OXs4ZQHEqd7+lHBd32KEGY6Y6XOArlCIhFyy5irhPkWUzFJ12Gx5 TdOBovZK10+CMygYP7ZkacgR7z2gmMGiem4HjNq0GL3PFT2BN/+i0OjZYy6jZNv0 DxXQPWPRstxgroB9gZ4dz0Ve/JWDp5Iadkmmacs9OgFGH55aaAfhoh3TNMFs6sHe tZ+9R4nJEzfndYYuUBDO2l+S1WkeTvf+DjNCDvMy/ZBYd09TlqfLITixcOZPSft6 93pAftRT+mcomh6RrNF/9XPAIDy20qCEP/ajxnSkU4Y9QaFqrMSh0siyYEfCn6Sz qN7zI7sw/j3/hj4aCTRi+t+ezBaLKbGamwX+gxYhZHhA+EYaSB6CGsoHDitPjgQd j9PKODQEtXhvafUcMSE6XX0CAwEAAQ== -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 341206061450850700286142375071777929857012 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-16 21:09:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-15 21:09:29 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '28921.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 642179741666227934388858274383972951992362028967104647912404293020530538018832952978986483845001868963192493445385953957586054249234826690698250879924061835231310640702778410739968425313239326827895705463177670531774841617608487462137220636100247293505242835727823064827004360848197158097270491481094698618532462975490884238973216969828617817078230288193301700752167272006195462637284800624825329420133964059427854510564775845693273185126786636322125339982537912763473448742162981709099866879109964963439741303076222368854437075250008277434823283723482047417978047709850241028933240639542349189953022181664439301526405150763039676980755959337614254048391939430034414263836283270829016207721328844219544627525074179912002488065569892300937735029644667861954719454879374047604679472135685057725072581618044291568865949869041812205300175179254584463801045574808809140616920355776767448015563908787608821740419959119674889089191160741839796656444898239686082884407216113513660723124351673950148789300735461318197734698076926765324718864904783708787691705344387412330550208555418464456569672761935435659478620908003835709071842624065491215067241845086078596926127537162244578209735638640388306631019677336712276074947324718343992219688317 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 2d91e7245ae2401f76153690d90e75062de3f5a5 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '28921.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016fb0677a5b0000040300463044022005143c90be7c22cedc88dd2b86e97342e287d9daf158c9d5df102d3429b95c5e0220101cc80a656aecaa042950b3f0a4ce287643e7f2b623bdaeeb2353dcb1cced2900750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fb0677aa30000040300463044022046e3830e3b8d77ca6c7670f2195241af4300bef2c665ecdf9031e44e58046929022005ff0e4cbc6b75886490d2789d45301a1f41db71f93e00d0239d7151ee7ee626 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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